Unlocking complex soil systems as carbon sinks: multi-pool management as the key

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  • Gerrit Angst
  • Kevin E. Mueller
  • Michael J. Castellano
  • Cordula Vogel
  • Martin Wiesmeier
  • Müller, Carsten W.

Much research focuses on increasing carbon storage in mineral-associated organic matter (MAOM), in which carbon may persist for centuries to millennia. However, MAOM-targeted management is insufficient because the formation pathways of persistent soil organic matter are diverse and vary with environmental conditions. Effective management must also consider particulate organic matter (POM). In many soils, there is potential for enlarging POM pools, POM can persist over long time scales, and POM can be a direct precursor of MAOM. We present a framework for context-dependent management strategies that recognizes soils as complex systems in which environmental conditions constrain POM and MAOM formation.

OriginalsprogEngelsk
Artikelnummer2967
TidsskriftNature Communications
Vol/bind14
Antal sider8
ISSN2041-1723
DOI
StatusUdgivet - 2023

Bibliografisk note

Funding Information:
G.A. gratefully acknowledges the support by the Deutsche Forschungsgemeinschaft (DFG—German Research Foundation)—grant no. AN 1706/2-1. C.W.M. thanks the Independent Research Fund Denmark for the funding received for the project: “Limiting NO emission from hot spots in Danish agricultural soils – linking crop roots and nitrate dynamics to develop new strategies to mitigate trace gasses” (# 0217-00322B) in the frame of the Danish green transition program. C.V. was supported by the DFG, under grant VO738 2111/4-1. K.E.M. and M.J.C. were supported by USDA AFRI grant number 2019-67019-29404. We thank Gabriele Rada for support in revising Fig. . 2

Publisher Copyright:
© 2023, The Author(s).

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